Downward vertical flux of protist cells and biomass in the northern Barents Sea during August 2018, Nansen Legacy cruise 2018707 J/C 1-2

Sampling event
Latest version published by UiT The Arctic University of Norway on Sep 5, 2023 UiT The Arctic University of Norway
Publication date:
September 5, 2023
License:
CC-BY 4.0

Download the latest version of this resource data as a Darwin Core Archive (DwC-A) or the resource metadata as EML or RTF:

Data as a DwC-A file download 23 records in English (31 KB) - Update frequency: unknown
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Description

Samples for protist cell and biomass flux were collected with short-term drifting sediment traps between 75° and 85°N in the northern Barents Sea with R/V Kronprins Haakon in August 2018 as part of the Nansen Legacy project (cruise 2018707, JC 1-2). High-density bottom water was collected at the station and filtered (Whatman GF/F 0.7µm), and then filled into the trap cylinders (KC Denmark, aspect ratio >6) prior to their deployment. Afterwards, the sediment traps were deployed with 2 or 4 cylinders at each depth (30, 40, 60, 90, 120, 200m) for a duration between 22 to 25 hours. Depending on the sea ice conditions, the sediment traps were deployed in open water, anchored to a sea ice floe or within an ice lead. Upon retrieval, the content of the cylinders from each depth was pooled and stored at 4°C in dark until further analyses. For protist examination, a subsample of 100ml was transferred to a brown glass bottle and fixed with a mixture of glutaraldehyde-lugol. Protists were identified to the lowest possible taxonomic level in accordance with the World Register of Marine Species (WoRMS) and counted under an inverted light microscope (Nikon Eclipse TE-300 and Ti-S) using the Uthermöhl method (Edler & Elbrächter, 2010; Utermöhl, 1958). Protist carbon biomass flux was calculated from abundances using established geometric relationships for biovolume conversion (Hillebrand et al., 1999) and biovolume-to-carbon conversion factors (Menden-Deuer & Lessard, 2000). Note: column footprintWKT = ("deployment_latitude deployment_longitude" (always available) , "recovery_latitude recovery_longitude (if available, otherwise NA)"

Data Records

The data in this sampling event resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 23 records.

1 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.

Event (core)
23
Occurrence 
513

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.

Versions

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Rights

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The publisher and rights holder of this work is UiT The Arctic University of Norway. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.

GBIF Registration

This resource has not been registered with GBIF

Keywords

Samplingevent

Contacts

Yasemin V. Bodur
  • Originator ●
  • Point Of Contact
  • Researcher
UiT - the Arctic University of Norway
NO
Anna Maria Dąbrowska
  • Originator
  • Researcher
Institute of Oceanology Polish Academy of Sciences
PL
Agnieska Tatarek
  • Originator
  • Researcher
Institute of Oceanology Polish Academy of Sciences
PL
Józef Maria Wiktor
  • Originator
  • Researcher
Institute of Oceanology Polish Academy of Sciences
PL
Lucie Goraguer
  • Originator
  • Researcher
Norwegian Polar Institute
NO
Ulrike Dietrich
  • Originator
  • Researcher
UiT - the Arctic University of Norway
NO
Camilla Svensen
  • Originator
  • Researcher
UiT - the Arctic University of Norway
NO
Marit Reigstad
  • Originator ●
  • Point Of Contact
  • Researcher
UiT - the Arctic University of Norway
NO

Geographic Coverage

northern Barents Sea

Bounding Coordinates South West [75, 20], North East [83, 40]

Project Data

No Description available

Title Nansen Legacy project funded by the Research Council of Norway (Grantnr. 276730)

Bibliographic Citations

  1. Edler, Lars, and Malte Elbrächter. “The Utermöhl Method for Quantitative Phytoplankton Analysis.” In Microscopic and Molecular Methods for Quantitative Phytoplankton Analysis, 110:13–20. Unesco Pub., 2010.
  2. Utermöhl, Hans. “Zur Vervollkommnung Der Quantitativen Phytoplankton-Methodik.” SIL Communications, 1953-1996 9 (January 1, 1958). https://doi.org/10.1080/05384680.1958.11904091. 10.1080/05384680.1958.11904091
  3. Hillebrand, Helmut, Claus-Dieter Dürselen, David Kirschtel, Utsa Pollingher, and Tamar Zohary. “Biovolume Calculation for Pelagic and Benthic Microalgae.” Journal of Phycology 35 (1999). https://doi.org/10.1046/j.1529-8817.1999.3520403.x. 10.1046/j.1529-8817.1999.3520403.x
  4. Menden-Deuer, Susanne, and Evelyn J. Lessard. “Carbon to Volume Relationships for Dinoflagellates, Diatoms, and Other Protist Plankton.” Limnology and Oceanography 45 (May 2000). https://doi.org/10.4319/lo.2000.45.3.0569. 10.4319/lo.2000.45.3.0569

Additional Metadata